// multi-utility computation suite · offline · instant · precise
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sci.enzyme-michaelis-menten Calculator
Fits Michaelis-Menten kinetics to time-course data and extracts Km and Vmax from progress curve analysis. Time-course fitting avoids the initial rate measurement problem — at high substrate concentrations the velocity approaches Vmax asymptotically.
Inputs
Vmax Umol Min
Reference formula or conversion factor shown for context.
Km Mmol L
Reference formula or conversion factor shown for context.
Substrate Mmol L
Amount per unit of time or per unit quantity. Check the denominator before interpreting.
Results
reaction velocity v (µmol/min)
Sample size or count used in the calculation.
% of Vmax
Reference formula or conversion factor shown for context.
Km = [S] at Vmax/2
The value at the specified point or condition.
v = Vmax·[S]/(Km+[S])
Reference formula or conversion factor shown for context.